former treasury secretary robert rubin. he's in the green room now. he's going to join us on the "squawk" set. we'll talk about the economy, big banks and america's debt crisis. and later chicago fed president charles evans is going to join us live from chicago. we've got a very special hour of "squawk box" starting in just two minutes. come on, nowadays lots of people go by themselves. no they don't. hey son. have fun tonight. ♪ ♪ back against the wall ♪ ain't nothin to me ♪ ain't nothin to me [ crowd murmurs ] hey! ♪ [ howls ] ♪ >>> this hour on "squawk box," an exclusive interview with former treasury secretary robert rubin. we'll ask him how to restore the american economy, and avoid a catastrophic debt crisis. plus, chicago fed president charlie evans, on the path to higher employment, and stronger economic growth. a very special hour of "squawk box" begins, right now. >> welcome back to "squawk box." a very special hour of "squawk" here on krcht nbc. i'm andrew ross sorkin along with mandy drury and scott wopner. joe and becky have t